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This obivously isnt going to go anywhere with you. Im waisting my time. So ive edited my post so it doesnt keep going. End of discussion.

I had not planned on carrying this topic any farther. You did not waste your time every opinion should have a value wether anyone agrees or not. As long as people keep buying atvs and riding them that is all that counts.

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you will have to buy a xr400 dirt bike motor and take the side cover and kick start parts out of it to put kick on your 400ex ... its not an easy task and will cost alot to do it ... i have seen 1 that way and it was kool but cost about 1000 to do it ...(had 2 buy a complete xr400)

Hi all, bike does start with the electric start mostly, but the battery was weak and wouldnt start it the other day so went to use the pull start, to say its hard is an understatement first of all you gotta do a little jiggling about til it catches then pulling it takes some effort now i know im not the strongest fella in the world but this is so much harder than it should be.
It does start of the pull just to get the engine to initailly turn is so hard any ideas why its happening or how to fix this,
Thanks

I saw this article on Motosport and thought it was pretty good. Anyone add anything?
You might think hopping on-board an ATV and going for a spin is just as easy as taking your regular 4-wheel car for a ride around the block. After all, both have four wheels. How hard could it be?
In many respects, you're right. Some adventure riders choose quads over their two-wheeled counterparts of the dirt because there's less chance of crashing and it's easier to learn. ATVs also offer more manageability for younger riders to get acquainted with outdoor riding than a dirt bike.
However, beginner riders on ATVs tend to make the same mistakes that result in crashes, roll overs and injury that could be avoided with some instruction and know-how. If you're looking at a fun family outing by renting ATVs or want to get into the sport take advantage of the following points and avoid the same mistakes so many other first time ATV riders make that end their day early or before they barely get started.
1. Nerf Bars
Get Nerf bars. These are not soft cushy add-ons that are cousins to the football you use during backyard football games. In many respects, Nerf bars are gigantic foot pegs. Don't bother with traditional foot pegs because you'll constantly slip off and because of the "I feel safe factor" that comes with riding a quad you'll also have a tendency to let your feet drag when riding. That's a recipe for getting one or both of your feet caught in the back tire resulting in serious injury. Nerf bars allow you to stabilize your feet and get maximum control over the ATV

Rest your feet easy on Nerf bars
2. Rolling Over
Believe it or not, it's fairly easy to roll an ATV over. And you don't want to be on the bottom of that sandwich.
The most common way of ending underneath a quad is looping out. That's done by hitting the gas and having little to no experience with the power of an ATV. The front spikes up like an out of control stallion, throws you onto your back like a bucking bronco and then pins you like a UFC Champ.
The second way is when you're having a bit too much fun sliding around in mud or other slick conditions, the tires finally do what they're designed to do and grip the ground but the rest of the bike, with you on it, keeps going.
Finally, those who think they've found their bearings take aim for a steep slope and try to conquer it only to end up upside down or in their attempt to arch alongside said steep hill, tumble over the side.
3. False Sense of Security
This goes somewhat hand-in-hand with the roll over capability that many riders fail to appreciate therefore they also neglect wearing proper protective equipment. Don't think wearing jeans, t-shirt and sneakers is adequate protection when riding a 4-wheeled machine powered by a gas engine that doesn't have seatbelts. You need a helmet, goggles, gloves and riding boots at a minimum. Once you start ripping it on the track or trails add a chest protector, neck brace, knee brace, etc.
4. Throttle Control
Everybody wants to skip the kiddie stage and get right into hair-raising speed when it comes to riding ATVs. OK, most everybody. But for those who do so many put on the cloak of invincibility and think a quad is merely a mini car that finally enables them to release all sorts of pent up childhood inhibitions.
So they jab their thumb into the throttle with the expectation of a controlled roller coaster ride. Instead, they loop out and end up underneath the quad or manage to stay seated only to careen off course and introduce their 4x4 to a large tree. ATVs normally have a thumb throttle and most have an automatic clutch so the clutch is one less thing to worry about. So go slow and figure out how much "thumb" is too much and get used to the speed and power an ATV delivers before really going for a ride. Oh, one more thing, learn to take your thumb off the throttle!

It's not to hard to loop out on an ATV
5. Loading the ATV
Never, ever ride an ATV up a ramp into the back of a pick-up. If you want to know why just go to YouTube. If you want to know how to load an ATV check out this fine piece of quality information on How to Load a Motorcycle, Dirt Bike or ATV into a Truck.
The bottom line to riding an ATV the first time is treat it like you would anything that comes with a modicum of danger. Careless behavior endangers you and others but with common sense and a willingness to learn you'll enjoy of lifetime of riding quads.
For additional information on riding and/or maintaining ATVs see:
10 Quick Safety Tips for ATV Trail Riding
Tips for New ATV Owners
Choosing the Best ATV for Beginners
10 Things That Alter Your ATV Performance
Written By: AndrewT

Hello guys! I ride a triton 450 super moto. i hawe change connecting road... Now all is okey,test drive ok manny km done. But there is one problem...i hawe buy a new accu. But the starter is verry hard rotate...almost stops. So the motor is wery hard to start. I hawe trie connect the starter directley to accu and its the same thing.Before rebuild the starter has work normal.
What hawe i done wrong?
Sorry for my English:)

The title is for attention. I’m prepping my cylinder head off of an unknown year 400ex to install on my quad. And I’m examining it and there’s literally a Jewish start( Star of David) protruding from the metal on the camshaft side of the head. It’s not imprinted or etched/ engraved. It’s coming out of the metal. DOES ANYONE HAVE INFORMATION ON WHY ITS THERE??? I’ve attached a picture

So after my 400ex pep up (High comp piston, stage 2 hot cam, and some others), There was a malfunction with the rocker arm jam-nut; guess it wasn't torqued to spec. The rocker arm nut caused the lash to become too out of clearance and I bent a valve on a test rip high in the rpm range. There was no damage to the piston but only that valve, a couple dents in the head, and a completely destroyed valve guide. So I decided to take it upon myself (after watching kenoconnors race porting instructions and reading up on this subject) to port my cylinder head significantly. I had the head decked, cylinder honed and smoothed/polished the dome/exhaust port (intake wasn't polished but dimpled slightly to ensure fuel atomization). So after porting, decking the head, I had all valves and guides replaced/reamed, 5 angle valve job, and recut seats, then I installed xr400 gaskets (for higher compression), carb jets; 42 pilot, 175 or 6 main not sure, dynojet needle, k and n filter with no lid, enlarging of header ports and big gun eco slip on exhaust for a 450r, trx 250r coil (adds 1000+ rpm to limiter), 11:1 85mm piston, stg 2 hc with springs and retainers replaced, and polished rocker arms. I then replaced both sprockets one down in front and stock in rear, o ring chain, and 18in tires. There is a larger list of mods but these were the only ones affecting acceleration/performance. On the dyno, this quad put down 42rwhp and was estimated at 46 to the flywheel. Once again this was 42 to the wheel on the stock bore/carb size/header. All this was done at 16 yrs old. You may not be able to see it in the picture but peak whp was 42 on a mustang dyno.